Advanced Functions Study Path
These chapters are best after you understand basic functions (calling, parameters, return values, expressions, and arrows).
If you are not comfortable with JavaScript functions yet, start here:
Step 1 Advanced
- Function declarations
- Function Expression
- Arrow Functions
- Function Constructors
Step 2 Advanced
A JavaScript callback is a function passed as an argument to another function, which is then executed (or "called back") at a later point in time to complete a specific task.
Step 3 Advanced
How this works (especially inside objects).
How this is decided by how it is called.
Step 4 Advanced
Call a function with a chosen this .
Pass a list of arguments.
Step 5 Advanced
Call a function with a chosen this .
Pass an array of arguments.
Step 6 Advanced
Call a function with a chosen this .
Use bind() when you need a function to run later with the same this .
Step 7 Advanced
Self-starting functions.
Step 8 Advanced
Functions that remember their scope
Learn how functions can remember variables after the outer function finishes.
Step 9 Advanced
Function Object Methods & Properties.